#include"Delay.h"
#include"led.h"
#include "usart.h"
#include "dma.h"
uint8_t scr[4]={'a','v','d','a'};
uint8_t des[4]={0};
int main()
{
   usart_init();
   printf("abcdefg\n");
   Delay_ms(1);
   dma_init();
   dma_usart((uint32_t)scr,(uint32_t)(&(USART1->DR)),4);
   while(1)
   {
      
   }
}
